prom

1 ENTRIES FOUND:
prom /ˈprɑːm/ noun
plural proms
prom
/ˈprɑːm/
noun
plural proms
Britannica Dictionary definition of PROM
[count]
1 
US : a formal dance for high school students usually at the end of the school year
— often used before another noun
2 
British, informal : promenade concert